Backend & systems
Reliable application logic, data handling and server-side integrations.
INDEPENDENT SHOWDOWN SOFTWARE · SWITZERLAND
Tournament management and referee tools developed for the Showdown community. Built from hands-on tournament experience and improved through real matches.
These are the technologies behind the tournament server and browser-based referee app—not services offered for hire.
Reliable application logic, data handling and server-side integrations.
Clear browser interfaces that support referees during live matches.
Practical tools for tournaments, data exchange and reliable match-day operation.
SPORT MEETS SOFTWARE
Digital tools supporting Showdown tournaments, referees and event operations—from match management to live scoring.
Explore the Referee App guide ↗Match organization and tournament data management.
Browser-based match scoring with history and game controls.
Share match progress through server integration.
An ongoing, non-commercial commitment to tournament organizers, referees and players.
TOURNAMENT INFRASTRUCTURE
A server-based system supporting tournament administration and match workflows.
PROGRESSIVE WEB APPLICATION
Browser-based scoring for referees, with match history, timers, optional confirmations and server integration.
Read the updated user guide ↗CONNECTED MATCH EXPERIENCES
Making tournament information available as matches progress.
A large, touch-friendly match interface keeps scores, service and match actions in view.

Personal match schedules, results and details. This demonstration uses fictional names and an example event.

A live scoreboard with current matches, scores and automatic updates every five seconds. The screenshot shows fictional players and an example tournament.

The Showdown Referee App is free to use. Tournament Server fees are based on playing days, participants and the selected match-plan service.
| Position | Details | Fee (€) | Example (€) |
|---|---|---|---|
| Base fee | — | 20 per playing day | 60 |
| Per participant fee | — | 3 | 150 |
| App use | — | 0 | 0 |
| Match plan (Option 1) | Provided by customer | 25 | 0 |
| Match plan (Option 2) | Generated by us | 2 per participant | 100 |
| Total example fee | 310 € | ||
Example: 3 playing days, 50 participants, match plan generated by SD Development (Option 2). The two match-plan options are alternatives.
Milestones from the development of the Showdown software.
Browser-based match management with touch controls, match history and tournament-server integration.
Feedback from active Showdown events informs continuous improvement of the Tournament Server, Referee App and Live Ticker.
06 / QUESTIONS & FEEDBACK
Feedback, bug reports and suggestions about the Referee App or Tournament Server are always welcome. I am no longer taking on software development commissions.
sd-development.ch@bluewin.ch ↗